Since 16 and 25 are perfect squares you can factor the first part.
4^2-5^2(b+3)^2
=(4-5(b+3))(4+5(b+3))
=(4-5b-15)(4+5b+15)
=(-11-5b)(19+5b)
Which can be expanded if necessary,
= -209+150b-25b^2
Answer:
x=30
Step-by-step explanation:
because 3 times 30 equal 90 minus 5 is 85
Answer:
2 inches
Step-by-step explanation:
If the long side is 6 inches and it's 3x the length of the short side, then you need to divide the long side into 3 parts because the short side is 1/3 the length of the long side. This means that the short side is 2 inches.
Answer:
Function notation
Step-by-step explanation:
y=f(x) is in function notation
Answer:
it 2 parts away
Step-by-step explanation:
